Salusbury, Thomas, Mathematical collections and translations (Tome I), 1667

List of thumbnails

< >
311
311
312
312
313
313
314
314
315
315
316
316
317
317
318
318
319
319
320
320
< >
page |< < of 701 > >|
    <archimedes>
      <text>
        <body>
          <chap>
            <p type="main">
              <s>
                <pb xlink:href="040/01/426.jpg" pagenum="404"/>
                <arrow.to.target n="marg788"/>
                <lb/>
              the Aire which partaketh of that motion to diſtend ſo low as to
                <lb/>
              the Tops of the higheſt Hills, and that likewiſe they would reach
                <lb/>
              to the Earth, if thoſe Mountains did not impede them, which
                <lb/>
              agreeth with what you ſay: For as you affirm, the Air, which is
                <lb/>
              invironed by ledges of Mountains, to be carried about by the
                <lb/>
              aſperity of the moveable Earth; we on the contrary ſay, That
                <lb/>
              the whole Element of Air is carried about by the motion of
                <lb/>
              Heaven, that part only excepted which lyeth below thoſe bodies,
                <lb/>
              which is hindred by the aſperity of the immoveable Earth. </s>
              <s>And
                <lb/>
              whereas you ſaid, That in caſe that aſperity ſhould be removed,
                <lb/>
              the Air would alſo ceaſe to be whirld about; we may ſay,
                <lb/>
              That the ſaid aſperity being removed, the whole Aire would
                <lb/>
              tinue its motion. </s>
              <s>Whereupon, becauſe the ſurfaces of ſpacious
                <lb/>
              Seas are ſmooth, and even; the Airs motion ſhall continue upon
                <lb/>
              thoſe, alwaies blowing from the Eaſt: And this is more ſenſibly
                <lb/>
              perceived in Climates lying under the Line, and within the
                <lb/>
              picks, where the motion of Heaven is ſwifter; and like as that
                <lb/>
              Celeſtial motion is able to bear before it all the Air that is at
                <lb/>
              liberty, ſo we may very rationally affirm that it contributeth the
                <lb/>
              ſame motion to the Water moveable, as being fluid and not
                <lb/>
              nected to the immobility of the Earth: And with ſo much the
                <lb/>
                <arrow.to.target n="marg789"/>
                <lb/>
              more confidence may we affirm the ſame, in that by your
                <lb/>
              feſſion, that motion ought to be very ſmall in reſect of the efficient
                <lb/>
              Cauſe; which begirting in a natural day the whole Terreſtrial
                <lb/>
              Globe, paſſeth many hundreds of miles an hour, and eſpecially
                <lb/>
              towards the Equinoctial; whereas in the currents of the open Sea,
                <lb/>
              it moveth but very few miles an hour. </s>
              <s>And thus the voiages
                <lb/>
              wards the Weſt ſhall come to be commodious and expeditious,
                <lb/>
              not onely by reaſon of the perpetual Eaſtern Gale, but of the
                <lb/>
              courſe alſo of the Waters; from which courſe alſo perhaps the
                <lb/>
              Ebbing and Flowing may come, by reaſon of the different
                <lb/>
                <arrow.to.target n="marg790"/>
                <lb/>
              ation of the Terreſtrial Shores: againſt which the Water coming
                <lb/>
              to beat, may alſo return backwards with a contrary motion, like
                <lb/>
              as experience ſheweth us in the courſe of Rivers; for according as
                <lb/>
              the Water in the unevenneſs of the Banks, meeteth with ſome
                <lb/>
              parts that ſtand out, or make with their Meanders ſome Reach or
                <lb/>
              Bay, here the Water turneth again, and is ſeen to retreat back
                <lb/>
              a conſiderable ſpace. </s>
              <s>Upon this I hold, That of thoſe effects
                <lb/>
              from which you argue the Earths mobility, and alledge it as a
                <lb/>
              cauſe of them, there may be aſſigned a cauſe ſufficiently valid,
                <lb/>
              retaining the Earth ſtedfaſt, and reſtoring the mobility of
                <lb/>
              Heaven.</s>
            </p>
            <p type="margin">
              <s>
                <margin.target id="marg787"/>
                <emph type="italics"/>
              It is
                <lb/>
              ted inverting the
                <lb/>
              argument, that
                <lb/>
              the perpetual
                <lb/>
              tion of the Air
                <lb/>
              from Eaſt to Weſt
                <lb/>
              cometh from the
                <lb/>
              motion of Heaven?
                <emph.end type="italics"/>
              </s>
            </p>
            <p type="margin">
              <s>
                <margin.target id="marg788"/>
                <emph type="italics"/>
              It is demonſtrated
                <lb/>
              inverting the
                <lb/>
              gument, that the
                <lb/>
              perpetual motion of
                <lb/>
              the Air from Eaſt
                <lb/>
              to Weſt, cometh
                <lb/>
              from the motion of
                <lb/>
              Heaven.
                <emph.end type="italics"/>
              </s>
            </p>
            <p type="margin">
              <s>
                <margin.target id="marg789"/>
                <emph type="italics"/>
              The motion of the
                <lb/>
              Water dependeth
                <lb/>
              on the motion of
                <lb/>
              Heaven.
                <emph.end type="italics"/>
              </s>
            </p>
            <p type="margin">
              <s>
                <margin.target id="marg790"/>
                <emph type="italics"/>
              The flux and
                <lb/>
              flux may depend
                <lb/>
              on the diurual
                <lb/>
              tion of Heaven.
                <emph.end type="italics"/>
              </s>
            </p>
            <p type="main">
              <s>SALV. </s>
              <s>It cannot be denied, but that your diſcourſe is ingenious,
                <lb/>
              & hath much of probability, I mean probability in appearance, but
                <lb/>
              not in reality & exiſtence: It conſiſteth of two parts: In the firſt it </s>
            </p>
          </chap>
        </body>
      </text>
    </archimedes>